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[altq 360] Re: Filtering and RSVP
Antoine Gondel wrote:
> We want to set up a config in which a cntlload class is dedicated to
> RSVP-based traffic whereas the remaining resource is managed through a
> Diff-serv approach, with a CNDR on the ingress node.
> If the packets belonging to a particular RSVPed flow are marked with EF
> DSCP (e.g. because they fall in the scope of the EF filter on the CDNR),
> is there a risk of conflict between the MF classification of RSVP in
> core nodes and the DS classification, and therefore, packets being
> allocated to the EF class instead the RSVP class ?
> If so, is there any walk-around but explicitely excluding this type of
> traffic from the EF filter ?
In short, dynamic filters are given preference to static filters.
Classifier filters are evaluated in the reverse order that they were
installed (unless a rule number is explicitly given).
So, when a packet matches multiple filters, it is selected by the
filter installed last.